31819130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{64937}}^1$

素因数の和:64958

約数の個数: 24

約数和(自身を含む): 66626388

約数和(自身を除く): 34807258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 64937, 129874, 324685, 454559, 649370, 909118, 2272795, 3181913, 4545590, 6363826, 15909565, 31819130]

約数ペア:

[(1, 31819130), (2, 15909565), (5, 6363826), (7, 4545590), (10, 3181913), (14, 2272795), (35, 909118), (49, 649370), (70, 454559), (98, 324685), (245, 129874), (490, 64937)]